code: def _get_op_types():
      return TensorNanCumprod, TensorTreeMultiply
  
file_path: mars/mars/tensor/reduction/nancumprod.py
imports: import numpy
  from ...None import opcodes
  from ..datasource import tensor
  from ..arithmetic.multiply import TensorTreeMultiply
  from .core import TensorCumReduction, TensorCumReductionMixin
label_desc: Use image node_id 2 for calling the TensorNanCumprod obj's underlying member method code with example usage: obj._get_op_types() and returns: TensorNanCumprod,  TensorTreeMultiply